/*
 * Copyright (C) 1996-2000 Michael R. Elkins <me@mutt.org>
 * 
 *     This program is free software; you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation; either version 2 of the License, or
 *     (at your option) any later version.
 * 
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 * 
 *     You should have received a copy of the GNU General Public License
 *     along with this program; if not, write to the Free Software
 *     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
 */ 

#ifdef USE_SLANG_CURSES

#ifndef unix /* this symbol is not defined by the hp-ux compiler (sigh) */
#define unix
#endif /* unix */

#include "slcurses.h"

#define KEY_DC SL_KEY_DELETE
#define KEY_IC SL_KEY_IC

/*
 * ncurses and SLang seem to send different characters when the Enter key is
 * pressed, so define some macros to properly detect the Enter key.
 */
#define M_ENTER_C '\r'
#define M_ENTER_S "\r"

#else

#ifdef HAVE_NCURSESW_NCURSES_H
#include <ncursesw/ncurses.h>
#else
#ifdef HAVE_NCURSES_H
#include <ncurses.h>
#else
#include <curses.h>
#endif
#endif

#define M_ENTER_C '\n'
#define M_ENTER_S "\n"

#endif /* USE_SLANG_CURSES */

/* AIX defines ``lines'' in <term.h>, but it's used as a var name in
 * various places in Mutt
 */
#ifdef lines
#undef lines
#endif /* lines */

#define CLEARLINE(x) move(x,0), clrtoeol()
#define CENTERLINE(x,y) move(y, (COLS-strlen(x))/2), addstr(x)
#define BEEP() do { if (option (OPTBEEP)) beep(); } while (0)

#if ! (defined(USE_SLANG_CURSES) || defined(HAVE_CURS_SET))
#define curs_set(x)
#endif

#if !defined(USE_SLANG_CURSES) && defined(HAVE_BKGDSET)
#define BKGDSET(x) bkgdset (ColorDefs[x] | ' ')
#else
#define BKGDSET(x)
#endif

#if (defined(USE_SLANG_CURSES) || defined(HAVE_CURS_SET))
void mutt_curs_set (int);
#else
#define mutt_curs_set(x)
#endif
#define PAGELEN (LINES-3)

#define ctrl(c) ((c)-'@')

#ifdef KEY_ENTER
#define CI_is_return(c) ((c) == '\r' || (c) == '\n' || (c) == KEY_ENTER)
#else
#define CI_is_return(c) ((c) == '\r' || (c) == '\n')
#endif

/* Returns the number of pending input events */
int mutt_pending_events (void);

event_t mutt_getch (void);

void mutt_endwin (const char *);
void mutt_flushinp (void);
void mutt_refresh (void);
void mutt_resize_screen (void);
void mutt_ungetch (int, int);

/* ----------------------------------------------------------------------------
 * Support for color
 */

enum
{
  MT_COLOR_HDEFAULT = 0,
  MT_COLOR_QUOTED,
  MT_COLOR_SIGNATURE,
  MT_COLOR_INDICATOR,
  MT_COLOR_STATUS,
  MT_COLOR_TREE,
  MT_COLOR_NORMAL,
  MT_COLOR_ERROR,
  MT_COLOR_TILDE,
  MT_COLOR_MARKERS,
  MT_COLOR_BODY,
  MT_COLOR_HEADER,
  MT_COLOR_MESSAGE,
  MT_COLOR_ATTACHMENT,
  MT_COLOR_SEARCH,
  MT_COLOR_BOLD,
  MT_COLOR_UNDERLINE,
  MT_COLOR_INDEX,
  MT_COLOR_MAX
};

typedef struct color_line
{
  regex_t rx;
  char *pattern;
  pattern_t *color_pattern; /* compiled pattern to speed up index color
                               calculation */
  short fg;
  short bg;
  int pair;
  struct color_line *next;
} COLOR_LINE;

extern int *ColorQuote;
extern int ColorQuoteUsed;
extern int ColorDefs[];
extern COLOR_LINE *ColorHdrList;
extern COLOR_LINE *ColorBodyList;
extern COLOR_LINE *ColorIndexList;

void ci_init_color (void);
void ci_start_color (void);

#define SETCOLOR(X) attrset(ColorDefs[X])
#define ADDCOLOR(X) attron(ColorDefs[X])

#define MAYBE_REDRAW(x) if (option (OPTNEEDREDRAW)) { unset_option (OPTNEEDREDRAW); x = REDRAW_FULL; }

/* ----------------------------------------------------------------------------
 * These are here to avoid compiler warnings with -Wall under SunOS 4.1.x
 */

#if !defined(STDC_HEADERS) && !defined(NCURSES_VERSION) && !defined(USE_SLANG_CURSES)
extern int endwin();
extern int printw();
extern int beep();
extern int isendwin();
extern int w32addch();
extern int keypad();
extern int wclrtobot();
extern int mvprintw();
extern int getcurx();
extern int getcury();
extern int noecho();
extern int wdelch();
extern int wrefresh();
extern int wmove();
extern int wclear();
extern int waddstr();
extern int wclrtoeol();
#endif
